Super duplex PQR for corrosion test.

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Mar 20, 2022, 11:21:44 PM3/20/22

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Dear Experts,

We have recently failed the super duplex PQR for corrosion test.

So please suggest how to successfully super duplex PQR with a corrosion test.

Any prevention for corrosion test or all other tests for Super Duplex stainless steel.

Thank you.

Pk

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Mar 20, 2022, 11:50:58 PM3/20/22

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Please provide details like

Grade

Type of corrosion test like ASTM G48 method A

Shielding and purging gas

corrosion test failure due to weight loss or pitting

Welding consumable

Oxygen purity maintained in the purge gas

Thanks & Regards

J.Gerald Jayakumar

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Mar 21, 2022, 12:16:58 AM3/21/22

to 'james gerald' via Materials & Welding

Pls also add Test temperature

Thanks & Regards

J.Gerald Jayakumar

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Mar 23, 2022, 7:12:41 AM3/23/22

to Materials & Welding

to post a question..there is some guide line..

pl Provide details and even your view for failure to discuss..

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